Otocinclus Catfish

Otocinclus Catfish (Otocinclus sp.)

A small, peaceful algae-eater that stays tiny and doesn't damage plants, the Otocinclus "Otos" or "Dwarf Algae Suckers" is one of the best cleanup-crew fish for planted tanks. Active and constantly grazing, it's a practical and charming addition to community aquariums with established algae and biofilm.

Care at a Glance:

• Minimum Tank Size: 55L with plants, driftwood, and stable algae
• Temperature: 22–26°C
• pH Range: 6.0–7.5
• Water Hardness: Soft to moderate
• Temperament: Peaceful, schooling, bottom-dwelling
• Diet: Algae wafers, blanched zucchini and cucumber, sinking pellets
• Max Size: 3–4cm
• Lifespan: 3–5 years
• Care Level: Easy to moderate (needs established tank with algae/biofilm)

Tank Mates: Peaceful community fish such as tetras, rasboras, and corydoras; keep in groups of 4+ and avoid aggressive species.

Origin: South America — rivers and streams (Brazil, Peru, Colombia)